Achelse Heide is a nature reserve located in Belgium, near the border with the Netherlands. It covers an area of approximately 1,200 hectares and features a mix of heathland, forests, and wetlands. The reserve is home to diverse flora and fauna, making it a popular destination for nature lovers and hikers. The area is part of the larger Hoge Kempen National Park and is known for its scenic walking trails. Visitors can enjoy the unique landscapes and observe various wildlife species, including birds and insects, in their natural habitats. Achelse Heide is an important site for conservation efforts in the region.